get the hang of   掌握...的訣竅

ex:

It is not easy to learn to play the piano, but constant practice emables you to get the hang of it.

ex:

You will get the hang of it soon.

~~~~~~~~~

hang

• 1. 懸掛方式；下垂[the S]

  The hang of the curtains showed that somebody was standing behind them. 窗簾懸掛的樣子表明有人站在後面。

• 2. 【口】做法；用法；訣竅[the S]

  Don't worry! You'll soon get the hang of it. 別擔心！你很快就學會的。